State police seek tips in 1970s homicide case

EAST LANSING, Mich. (AP) — State police are asking the public for tips in an ongoing homicide investigation into the 1970s death of a Michigan State University student whose body was found by mushroom hunters.

Thursday will mark 40 years since the body of 19-year-old Diane Elizabeth Osinski was found in a densely wooded area of the Rose Lake conservation area in Clinton County’s Bath Township, located northeast of the school’s East Lansing campus.

State police detectives have continued to investigate the case, and the Lansing post is collecting tips, the Lansing State Journal and WILX-TV reported. There have been no charges. The hope is that publicity around the anniversary will bring a break in the cold case.

“I am hopeful there is someone out there who will come forward with that one crucial piece of evidence we need to move forward, and finally give Diane’s surviving family members the closure they deserve,” said Detective Sgt. Kyle McPhee, the lead investigator in the case.

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“Forty years is an extremely long time to have to live with the unknown.”

Osinski was last seen leaving her off-campus residence on July 24, 1972, and was reported missing by her roommate on July 31, 1972. Her remains were found May 9, 1973. State police said they continue to explore possible forensic developments and potential leads.